/* Base */
:root{--bg:#ffffff;--fg:#0b1220;--muted:#64748b;--brand:#0ea5e9;--brand2:#22d3ee;--surface:#f6f7f9;--border:rgba(100,116,139,.25);--radius:18px;--ring:rgba(14,165,233,.35)}
@media (prefers-color-scheme: dark){:root{--bg:#0b0c0f;--fg:#e5eef8;--muted:#9fb0c6;--brand:#38bdf8;--brand2:#22d3ee;--surface:#0f1217;--border:rgba(148,163,184,.25);--ring:rgba(56,189,248,.35)}}
*{box-sizing:border-box} html,body{height:100%}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic UI","Yu Gothic",Meiryo,sans-serif;color:var(--fg);background:var(--bg);line-height:1.6}
a{color:inherit;text-decoration:none} img{max-width:100%;display:block;height:auto}
.container{width:min(1180px,92vw);margin-inline:auto}
header.site{position:sticky;top:0;z-index:50;backdrop-filter:saturate(180%) blur(10px);background:linear-gradient(180deg,rgba(255,255,255,.7),rgba(255,255,255,.35));border-bottom:1px solid var(--border)}
@media (prefers-color-scheme: dark){header.site{background:linear-gradient(180deg,rgba(15,18,23,.7),rgba(15,18,23,.25))}}
nav ul{display:flex;gap:1rem;align-items:center;margin:0;padding:0;list-style:none}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 1rem;border-radius:12px;font-weight:600;border:1px solid var(--border)}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#001018;border-color:transparent}
.btn-ghost{border-color:var(--border)}
footer.site{border-top:1px solid var(--border);padding:28px 0 60px;color:var(--muted);margin-top:40px}

/* Imported from index.html */
:root{--bg:#ffffff;--fg:#0b1220;--muted:#64748b;--brand:#0ea5e9;--brand2:#22d3ee;--surface:#f6f7f9;--border:rgba(100,116,139,.25);--radius:18px;--ring:rgba(14,165,233,.35)}
    @media (prefers-color-scheme: dark){:root{--bg:#0b0c0f;--fg:#e5eef8;--muted:#9fb0c6;--brand:#38bdf8;--brand2:#22d3ee;--surface:#0f1217;--border:rgba(148,163,184,.25);--ring:rgba(56,189,248,.35)}}
    *{box-sizing:border-box}
    html,body{height:100%}
    body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic UI","Yu Gothic",Meiryo,sans-serif;color:var(--fg);background:var(--bg);line-height:1.6}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block;height:auto}
    .container{width:min(1180px,92vw);margin-inline:auto}
    /* Header */
    header{position:sticky;top:0;z-index:50;backdrop-filter:saturate(180%) blur(10px);background:linear-gradient(180deg,rgba(255,255,255,.7),rgba(255,255,255,.35));border-bottom:1px solid var(--border)}
    @media (prefers-color-scheme: dark){header{background:linear-gradient(180deg,rgba(15,18,23,.7),rgba(15,18,23,.25))}}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.8rem 0}
    .brand{display:flex;align-items:center;gap:.7rem;font-weight:800;letter-spacing:.2px}
    .brand svg{width:28px;height:28px}
    .nav-menu{display:flex;gap:1rem;align-items:center}
    .hamburger{display:none;background:none;border:0;cursor:pointer}
    .btn{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 1rem;border-radius:calc(var(--radius) - 4px);font-weight:600;border:1px solid var(--border)}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#001018;border-color:transparent}
    .btn-ghost{border-color:var(--border)}
    .hover-underline{position:relative}
    .hover-underline:after{content:"";position:absolute;left:0;right:100%;bottom:-3px;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand2));transition:right .2s ease}
    .hover-underline:hover:after{right:0}
    .theme-toggle{display:inline-flex;align-items:center;gap:.4rem;border-radius:999px;padding:.45rem .7rem;border:1px solid var(--border);cursor:pointer}
    @media(max-width:900px){.nav-menu{display:none}.hamburger{display:block}.drawer{position:fixed;inset:64px 0 0 0;background:var(--bg);border-top:1px solid var(--border);display:none}.drawer a{display:block;padding:1rem 1.2rem;border-bottom:1px solid var(--border)}}
    /* Hero */
    .hero{position:relative;overflow:hidden}
    .hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:2rem;align-items:center;padding: clamp(48px,8vw,104px) 0}
    .glow{position:absolute;inset:-30% -30% auto auto;width:60vw;height:60vw;background:radial-gradient(50% 50% at 50% 50%, rgba(34,211,238,.18), rgba(14,165,233,.08) 35%, transparent 70%);pointer-events:none}
    .hero h1{font-size:clamp(2rem,5vw,3.8rem);line-height:1.12;margin:0 0 .6rem}
    .hero p{font-size:clamp(1rem,1.5vw,1.2rem);color:var(--muted);margin:0 0 1.2rem}
    .hero-media{position:relative;aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;background:linear-gradient(135deg,#0b1220,#0f172a);border:1px solid var(--border);box-shadow:0 30px 80px rgba(2,8,23,.45)}
    .hero video{width:100%;height:100%;object-fit:cover;opacity:.9}
    .badge{display:inline-flex;align-items:center;gap:.4rem;padding:.35rem .6rem;border-radius:999px;background:rgba(148,163,184,.15);color:var(--muted);font-size:.85rem}
    /* Stats strip */
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:1rem 0;margin-top:-10px}
    .stat{display:flex;flex-direction:column;align-items:center}
    .stat strong{font-size:1.4rem}
    .stat span{color:var(--muted);font-size:.9rem}
    /* Partners */
    .marquee{display:flex;gap:3rem;overflow:auto;scrollbar-width:none;padding:1rem 0}
    .marquee img{height:28px;opacity:.7}
    /* Features */
    section{padding: clamp(40px,7vw,80px) 0}
    .section-title{font-size:clamp(1.4rem,3vw,2.1rem);margin:0 0 .6rem}
    .section-desc{margin:0 0 1.4rem;color:var(--muted)}
    .features{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
    .card{position:relative;border:1px solid var(--border);background:var(--surface);border-radius:var(--radius);padding:1.1rem;overflow:hidden}
    .card h3{margin:.2rem 0 .35rem;font-size:1.1rem}
    .card p{margin:0;color:var(--muted)}
    /* Product preview */
    .gallery{display:grid;grid-template-columns:repeat(12,1fr);gap:1rem}
    .tile{grid-column:span 4;position:relative;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
    .tile.large{grid-column:span 8}
    .tile img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
    .tile .label{position:absolute;left:10px;bottom:10px;background:rgba(2,6,23,.6);color:#e5faff;padding:.35rem .6rem;border-radius:10px;font-size:.85rem}
    @media (prefers-color-scheme: light){.tile .label{background:rgba(255,255,255,.7);color:#0b1220}}
    /* Testimonial */
    .quote{border-left:4px solid var(--brand);padding-left:1rem;color:var(--muted)}
    /* FAQ */
    .faq details{border:1px solid var(--border);border-radius:var(--radius);padding:.8rem 1rem;background:var(--surface)}
    .faq details+details{margin-top:.6rem}
    .faq summary{cursor:pointer;font-weight:600}
    /* CTA */
    .cta{display:flex;align-items:center;justify-content:space-between;gap:1rem;background:linear-gradient(135deg,rgba(14,165,233,.12),rgba(34,211,238,.10));border:1px solid var(--ring);border-radius:calc(var(--radius) + 6px);padding:1.1rem}
    /* Footer */
    footer{border-top:1px solid var(--border);padding:28px 0 60px;color:var(--muted);margin-top:40px}
    /* Utilities */
    .grid-2{display:grid;grid-template-columns:1.2fr .8fr;gap:1.25rem}
    .reveal{opacity:0;transform:translateY(8px);transition:.6s cubic-bezier(.2,.65,.2,1)}
    .reveal.on{opacity:1;transform:none}
    .fab{position:fixed;right:16px;bottom:16px;border-radius:999px;padding:.9rem 1.05rem;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#001018;box-shadow:0 14px 40px rgba(2,8,23,.25);border:none;cursor:pointer}
    @media(max-width:960px){.hero-inner{grid-template-columns:1fr}.features{grid-template-columns:1fr 1fr}.gallery .tile{grid-column:span 6}.gallery .tile.large{grid-column:span 12}.nav-menu{display:none}.stats{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:640px){.features{grid-template-columns:1fr}.cta{flex-direction:column;align-items:flex-start}}